Diane L. Parrett, DO
NPI 1952388563ActiveIndividual· Family Medicine· Norton Shores, MI
Family Medicine (DO) in Norton Shores, Michigan, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,251,391 for 11,522 claims, against $18,662 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $18.85 in payments in 2025, mostly education.
Overview
| NPI | 1952388563 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Dec 23, 2005 |
| Last updated in NPPES | Oct 28, 2024 |
| Certified by provider | Oct 28, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 5101012829 | MI |
| Family Medicine, Sports Medicine | 207QS0010X | 5101012829 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 413 across 21 procedure codes |
| Paid by Medicare | $18,662 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,522 · 25,383 30-day fills |
|---|---|
| Patients | 744 |
| Total drug cost | $1,251,391 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Family Practice |
Medical group
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
Hospital affiliation
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$18.85 · 1 payment from 1 company
- 2024$380.10 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $18.85 | 1 |
What the 2025 payments were for
- Education$18.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 family medicine physicians in Norton Shores · All family medicine physicians in Michigan